🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 11.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.65 AU - 0.65 AU

Year: 349 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,416,597 km

• M1: 139,276 km (0.08 R)
• M2: 773,870 km (0.11 R)
• M3: 1,248,095 km (0.047 R)
• M4: 1,680,283 km (0.096 R)
• M5: 2,280,919 km (0.116 R)
• M6: 3,925,598 km (0.063 R)
• M7: 4,373,195 km (0.05 R)
• M8: 4,796,257 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 12.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.86 AU - 1.06 AU

Year: 627 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,416,597 km

• M1: 154,535 km (0.089 R)
• M2: 654,939 km (0.052 R)
• M3: 1,274,873 km (0.056 R)
• M4: 1,719,179 km (0.107 R)
• M5: 2,249,653 km (0.078 R)
• M6: 2,689,770 km (0.12 R)
• M7: 3,594,837 km (0.094 R)
• M8: 4,243,344 km (0.027 R)
• M9: 5,654,650 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 11.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.62 AU - 5.96 AU

Year: 8114 Days

Day: 9.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,416,597 km

• M1: 145,708 km (0.105 R)
• M2: 517,908 km (0.089 R)
• M3: 1,154,297 km (0.104 R)
• M4: 1,557,164 km (0.081 R)
• M5: 4,037,347 km (0.11 R)
• M6: 5,419,183 km (0.079 R)
• M7: 7,262,378 km (0.064 R)
• M8: 10,370,124 km (0.087 R)
• M9: 12,433,827 km (0.099 R)
• M10: 15,199,742 km (0.08 R)
• M11: 16,342,670 km (0.092 R)
• M12: 19,647,885 km (0.105 R)
• M13: 21,562,588 km (0.04 R)
• M14: 27,882,051 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.5

Radius: 6.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.37 AU - 7.81 AU

Year: 12589 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,416,597 km

• M1: 93,050 km (0.072 R)
• M2: 326,722 km (0.069 R)
• M3: 1,509,742 km (0.033 R)
• M4: 2,266,258 km (0.108 R)
• M5: 2,534,936 km (0.074 R)
• M6: 3,979,303 km (0.098 R)
• M7: 4,942,115 km (0.119 R)
• M8: 6,464,423 km (0.032 R)
• M9: 6,677,899 km (0.115 R)
• M10: 7,786,719 km (0.117 R)
• M11: 9,864,334 km (0.098 R)
• M12: 10,363,542 km (0.082 R)
• M13: 11,607,149 km (0.118 R)
• M14: 12,002,836 km (0.051 R)
• M15: 13,329,619 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.9

Radius: 5.9

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.43 AU - 9.47 AU

Year: 14948 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,416,597 km

• M1: 73,602 km (0.058 R)
• M2: 276,008 km (0.118 R)
• M3: 579,243 km (0.055 R)
• M4: 1,417,141 km (0.057 R)
• M5: 1,971,550 km (0.104 R)
• M6: 2,317,570 km (0.083 R)
• M7: 3,398,265 km (0.056 R)
• M8: 4,119,925 km (0.076 R)
• M9: 4,717,120 km (0.081 R)
• M10: 6,421,937 km (0.09 R)
• M11: 7,778,192 km (0.096 R)
• M12: 8,269,770 km (0.035 R)
• M13: 9,167,507 km (0.082 R)
• M14: 11,099,264 km (0.109 R)
• M15: 11,837,829 km (0.03 R)
• M16: 12,852,551 km (0.103 R)
• M17: 14,648,025 km (0.072 R)
• M18: 19,046,053 km (0.075 R)
• M19: 19,691,867 km (0.103 R)
• M20: 28,200,994 km (0.097 R)
• M21: 29,251,620 km (0.111 R)
• M22: 29,894,442 km (0.095 R)
• M23: 30,876,402 km (0.101 R)
• M24: 31,208,360 km (0.071 R)
• M25: 31,542,711 km (0.117 R)
• M26: 34,779,859 km (0.077 R)
• M27: 35,259,620 km (0.094 R)
• M28: 37,977,813 km (0.08 R)
• M29: 38,614,502 km (0.101 R)
• M30: 41,232,464 km (0.042 R)
• M31: 42,721,562 km (0.096 R)
• M32: 45,950,482 km (0.043 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,316 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit